CAMPBELL BIOLOGY,VOL.II >CUSTOM<
17th Edition
ISBN: 9781323803677
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 47, Problem 4TYU
What structural adaptation in chickens allows them to lay their eggs in arid environments rather than in water?
- a. extraembryonic membranes
- b. yolk
- c. cleavage
- d. gastrulation
- e. development of the brain from ectoderm
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Students have asked these similar questions
What are the correct pairings of developing and embryonic structures in the gastrulation of chickens? Multiple answers is possible. If no correct option is given write the proper pairings.
a. Epiblast – ectoderm
b. Secondary hypoblast – endoderm
c. Primary hypoblast – endoderm
d. Migrating cells - mesoderm
What are the correct pairings of developing and embryonic structures in the gastrulation of
chickens?
a. Epiblast- ectoderm
c. Primary hypoblast-endoderm
Read the following statements CAREFULLY:
I.
II.
III.
IV.
b. Secondary hypoblast - endoderm
d. Migrating cells - mesoderm
The germ band needs to retract for fruit fly segments to develop properly.
The formation of the sea urchin archenteron is made possible by epithelial cells that
underwent epithelial-to-mesenchymal transition.
Frog gastrulation involves the epiboly of endoderm cells.
Chicken endoderm and mesoderm is formed through the migration of cells through
both the anterior and posterior end of the primitive streak.
a. All choices are true
b. I & Il are true but IV is false
d. IV is sometimes true
c. Ill is false
Which statement relating to frog gastrulation is INCORRECT?
a. A second set of bottle cells migrates inward to create the ventral blastopore lip.
b. Gastrulation begins in the gray crescent where bottle cells invaginate.
c. Cells just below the DBL begin to invaginate.
d. The yolk plug is not internalized and will become part of the ectoderm.
Chapter 47 Solutions
CAMPBELL BIOLOGY,VOL.II >CUSTOM<
Ch. 47.1 - How does the fertilization envelope form in sea...Ch. 47.1 - Prob. 2CCCh. 47.1 - MAKE CONNECTIONS Review Figure 12.16 on cell...Ch. 47.2 - In the frog embryo, convergent extension elongates...Ch. 47.2 - WHAT IF? Predict what would happen if Ca2+ was...Ch. 47.2 - MAKE CONNECTIONS Unlike some other types of birth...Ch. 47.3 - Prob. 1CCCh. 47.3 - Prob. 2CCCh. 47.3 - Prob. 3CCCh. 47.3 - Prob. 4CC
Ch. 47 - What cell-surface event would likely fail if a...Ch. 47 - What are some functions of apoptosis in...Ch. 47 - Suppose you found two classes of mouse mutations,...Ch. 47 - Prob. 1TYUCh. 47 - Which of the following is common to the...Ch. 47 - The archenteron develops into a. the mesoderm. b....Ch. 47 - What structural adaptation in chickens allows them...Ch. 47 - Prob. 5TYUCh. 47 - In humans, identical twins are possible because a....Ch. 47 - Cells transplanted from the neural tube of a frog...Ch. 47 - DRAW IT Each blue circle in the figure below...Ch. 47 - EVOLUTION CONNECTION Evolution in insects and...Ch. 47 - Prob. 10TYUCh. 47 - Prob. 11TYUCh. 47 - Prob. 12TYUCh. 47 - SYNTHESIZE YOUR KNOWLEDGE Occasionally, two-headed...
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- What is NOT true about embryo development? A. a morula is an earlier stage than a gastrula B. Gatrulation creates endoderm and ectoderm in most animals C. Mammal blastulas are called blastocysts due to the thickened area where the embryo develops D. diploblastic animals have mesodermarrow_forwardAt which stage of embryogenesis, major patterns of the internal tissues of the embryo have been already established? A. Octant stage embryo B. Globular stage embryo O C. Heart-shaped stage embryo O D. Torpedo stage embryoarrow_forwardAt which stage of embryonic development does the embryo have a blastopore? Group of answer choices A.Blastula B. Zygote C. Morula D. Gastrulaarrow_forward
- Which of these embryonic germ layers gives rise to muscle, bone, andblood vessels?a. ectoderm b. endoderm c. mesodermarrow_forwardWhich of the following is not true about avian eggs? Choose all possible answers. a. exhibit holoblastic cleavage b. first cleavages are perpendicular to the plane of the blastodisc, and approximately at right angles to one another c. at the time of the fourth cleavage, a furrow running parallel to the circumference of the blastodisc separates central from peripheral forming blastomeres. d. portion of the undersurface of the blastoderm that is farthest from the source of gravity becomes the anterior end of the embryo. e. All of the following are true about eggs of frogs.arrow_forwardWhat is a potential result of injecting notochord tissue into the ventral (bottom) region of the mesoderm of a frog embryo. Group of answer choices A. a tadpole with no dorsal surface B. a tadpole with reversed legs C. a tadpole that never becomes an adult D. a tadpole with two spinal cords and brainsarrow_forward
- Which statement is true of Spemann’s organizer?a. It is unique to amphibian embryos.b. It arises early in cleavage-stage embryos.c. It secretes morphogens, including the protein called noggin.d. It is found in the dorsal lip region of early gastrula-stageembryos.e. Both c and d are true of Spemann’s organizer.arrow_forwardThe outermost germ layer in a vertebrate gastrula is the____ . a. endoderm c. mesoderm b. ectoderm d. dermisarrow_forwardAlong the notochord, segmented blocks of tissue that give rise to muscles, vertebrae, and connective tissues are calleda. neural crests.b. morulas.c. primitive streaks.d. somitesarrow_forward
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